Q2431-50 - 50A Circuit Breaker

Q2431-50 - 50A Circuit Breaker

The Q2431-50 50 amp circuit breaker is used as a direct replacement in electrical panels that require a Q24 frame, 3-pole breaker with a feed-through leg. It’s commonly installed in existing commercial and industrial systems where the original breaker has failed or needs to be swapped during scheduled maintenance. The layout is straightforward—two plug-on legs with one feed-through—so it drops into compatible panels without reworking the bus or wiring.

Electricians and maintenance crews rely on this breaker when the goal is simple: restore protection and get the system back online without changing how the panel was originally designed. With a 240 VAC rating and a 10kA interrupting capacity, it provides the level of protection expected in its class. It’s a practical choice for service work where matching the original specifications matters more than adding new features that aren’t needed.

Key Features and Benefits

• Correct Feed-Through Configuration: Two plug-on connections and one feed-through leg, matching systems that require this exact setup.
• Rated for 50 Amps, 3 Poles: Designed for three-phase circuits that need balanced, consistent protection.
• 10kA Interrupting Capacity at 240 VAC: Supports safe interruption of fault currents in properly rated electrical systems.
• Straight Form-and-Fit Replacement: Built to match the size, mounting, and electrical characteristics of the original breaker.
• Fits Existing Panel Space: Compact dimensions help avoid interference with neighboring breakers.

Technical Specifications

• Poles: 3
• Amperage: 50 A
• Voltage Rating: 240 VAC
• Interrupting Rating: 10 kA @ 240 VAC
• Frame Type: Q24
• Dimensions:
  • Width: 2.25 inches
  • Length: 4.81 inches
  • Depth: 2.50 inches
• Weight: Approximately 3 lbs

Material Compliance and Certifications

• This circuit breaker is manufactured to meet established electrical and material standards for use in distribution equipment. Compliance with applicable safety and performance requirements helps ensure reliable operation when installed in approved systems and conditions.

Where It Works Best

• The Q2431-50 is best suited for replacement and service work in electrical panels that already call for a Q24-frame, 50 amp, 3-pole feed-through breaker. It’s commonly found in commercial buildings, light industrial facilities, and older electrical installations where maintaining original panel compatibility is important.